. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. SYNODONTIS. 473 Synodontis melanogaster, Ehrenb. in Peters, Reise n. Mossnmb. iv. p. 31 (1868). Synodontis membranaceus, Vaill. N. Arch. Mus. (3) viii. 1896, pp. 161 & 167. Depth of body 2| to 3 times in total length, length of head 2| to 3J times. Head 1J to If times as long as broad, rugose, granulate above from between the eyes, the granulate area sometimes extending a little on the snout; snout obtusely pointed, as long as or a little lo
Image details
Contributor:
The Book Worm / Alamy Stock PhotoImage ID:
RF253WFile size:
7.1 MB (511.4 KB Compressed download)Releases:
Model - no | Property - noDo I need a release?Dimensions:
1810 x 1380 px | 30.6 x 23.4 cm | 12.1 x 9.2 inches | 150dpiMore information:
This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.
This image could have imperfections as it’s either historical or reportage.
. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. SYNODONTIS. 473 Synodontis melanogaster, Ehrenb. in Peters, Reise n. Mossnmb. iv. p. 31 (1868). Synodontis membranaceus, Vaill. N. Arch. Mus. (3) viii. 1896, pp. 161 & 167. Depth of body 2| to 3 times in total length, length of head 2| to 3J times. Head 1J to If times as long as broad, rugose, granulate above from between the eyes, the granulate area sometimes extending a little on the snout; snout obtusely pointed, as long as or a little longer than postocular part of head ; eye supero-lateral, 3^ (young) to 5^ times in length of head, not less than interorbital width in young, 1 to If times Kg. 354. Synodontis batensoda. Mouth of L. No (F. N.). . in interorbital width in adult; operculum terminating in a few short spines. Lips moderately developed; praemaxillary teeth forming a short and broad band; movable mandibular teeth to ^ diameter of eye, 30 to 57 in number. Maxillary barbel with a broad marginal membrane, f to about once length of head, usually reaching base of pectoral spine or a little beyond ; mandibular barbels inserted on a straight transverse line, the outer with long, slender, simple branches, 1 j to 2 times as long as inner, some of the branches of which are bifid or trifid. Gill-openings extending downwards beyond base of pectoral fin, but separated by a broad isthmus, which at least equals interorbital width. Occipito-nuchal. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. British Museum (Natural History). Dept. of Zoology; Boulenger, George Albert, 1858-1937. London : Printed by order of the Trustees : Sold by Longmans & Co. , B. Quaritch, Dulau & Co. , and at the British Museum (Natural History)